Hi Johnny
The K3 would also have unacceptable IMD or occupied bandwidth standards making
its use on the marine bands unethical.
I used one of my K3's on a sailboat, guess what happened?
I was not transmitting on the marine bands but some other nearby yacht operator
was checking in on a 8mhz
George,
The ** best ** solution would be for her to get her ham
license. In that manner, she would be able to work the
14300 Maritime Mobile Service Net as well as a number of
other maritime nets throughout the world. It will also
give her access to other hams throughout the world. This
On Tue, Mar 22, 2011 at 10:49 PM, Don Wilhelm w3...@embarqmail.com wrote:
...The K3 is soundcard digital ready
I'm so dumb that when I got my K3, I spent half a day fiddling with cables,
jumpers etc. to configure my digital interface box. Then suddenly the light
dawned! It was a happy
Hello Gentleman,
Perhaps, this may not be relevant. Nowadays, HF email using PACTOR III is very
popular in marine time. Most marine radio can stand for heavy duty cycle
PACTOR
transmission. However, ham gears are not designed for such a full duty cycle.
So let the marine gears do the
If anyone has a KBPF3 excess to their needs, please drop me a line
with your price including shipping to 27510 (Carrboro, NC).
Thanks!
-john W4PAH
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help:
Also marine radio is just that marine radio. If you wanted to legally talk
on the marine frequencies you would have to be marine in other words not a
shore station. There are restrictions (or used to be) about using marine
frequencies from a shore location if not licensed for such. And there were
Ah, but the K3 does a stellar job with WL2K, even with 100W set up as
power out. Sometimes a single transmission takes 6 or 7 seconds, and
there are lots of repeats (a typical HF email session is 2-3 minutes).
My understanding is that WL2K and Pactor modes are very similar in
terms of
The thimble summary of effective verticals comes with two major avoidances,
1) the greater possible major loss, don't use a sparse or miscellaneous
ground.
2) the lesser possible major loss, don't run mismatches across coax.
3) don't let the antenna use the coax shield as a radial.
4) don't
Well said Guy,
I have always used two approaches to verticals. Either FCC equivalent radials
or above ground radials. Nothing else works well. 'Nuf said.
Mel, K6KBE
From: Guy Olinger K2AV olin...@bellsouth.net
To: Tony Estep estept...@gmail.com
Cc:
If you CAN'T do radials right, DON'T do grounded verticals. As simple as
that.
I disagree. Licensed in 1964 at 15, I operated with a 4BTV through high school
and college with just a ground rod. I didn't know any better, but had lots of
fun - even with a Knightkit T60 transmitter. Was it
How is any of this commercial (using amateur radio to beat commercial
wireless e-mail providers out of their fees) activity applicable to
the K3 or Elecraft. Elecraft are *amateur* equipment not designed,
type accepted or marketed for commercial/marine use.
Take that garbage outside the
My first vertical was a 12 foot length of army tank whip (4, 3-foot
sections) u-bolted to a 12 foot length of 2x2 pine, attached to the side
of an enclosed patio in my backyard. The radials were four, 1/4-wave for
15 m wires at what was supposed to be 90 degrees to apart. It was fed with
50 feet
I have a 43 footer, My ground system is as follows : a coper ring around base
with 4 8 foot ground rods and then 16 50 foot radials. Comparing to 80 meter
dipole same power, propagation causes more reading differences than the
antennas. It is very important to use the correct system for
If you do modeling, please be aware that the pro's know that all modeling
programs on the planet terribly underestimate ground losses.
Another trap to avoid is thinking that (all other things being equal), more
radials on a vertical will somehow result in better low-angle radiation.
Well, it
Thanks everyone for the excellent information.
-Original Message-
From: Eugene Balinski [mailto:euge...@nni.com]
Sent: Wednesday, March 23, 2011 5:54 AM
To: George A. Thornton; Elecraft@mailman.qth.net
Subject: Re: [Elecraft] marine frequencies and k3
George,
The ** best ** solution
Phil, QRZ tells me that you live in Richardson TX, north of Dallas.
You have some of the best ground conductivity in the nation! Don't try this in
most other
places.
On 3/23/2011 9:25 AM, Phil Debbie Salas wrote:
If you CAN'T do radials right, DON'T do grounded verticals. As simple as
Guys,
I've tried searching everywhere I can think of.
Manuals seem to have evaporated.
Even tried posting to the TEK forums.
No answer on how to calibrate the master oscillator in a TEKTRONIX CFC250.
Anybody out there with this knowledge?
Even a partial schematic of the area of interest would
The key there being 15m and a 12 foot tank whip, which is nearly resonant
and definitely not short for the frequency. The cruel reality mostly comes
into play on the lower bands. Also, it sounds as if your four radials were
elevated -- is that a correct read? That would make your antenna a
While operating on SSB on 144.225 MHz using the internal K144VX
transverter I am getting broadband noise around that frequency when I
switch on my P3. The noise is quite strong, about S7, and shows clearly
on the P3 screen. If I move the P3 about six inches away from the K3 the
noise disappears.
Interesting comments on 43-foot verticals. FYI my inverted-L has a
43-foot vertical leg and 130-foot horizontal leg. 43-feet is
accidental as it was the longest dimension that would fit on my eme
tower and still have the horizontal wires below the 2m antennas when
they are elevated. The
://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net
This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
__ Information from ESET NOD32 Antivirus, version of virus signature
database 5978 (20110323) __
The message
Phil, QRZ tells me that you live in Richardson TX, north of Dallas. You
have some of the best ground conductivity in the nation! Don't try this in
most other places.
I was WN3BCQ/WA3BCQ in Maryland.
Phil - AD5X
__
Elecraft mailing
David,
I tried this and found no similar issue.
Bill
K9YEQ
-Original Message-
While operating on SSB on 144.225 MHz using the internal K144VX transverter
I am getting broadband noise around that frequency when I switch on my P3.
The noise is quite strong, about S7, and shows
That may be true regarding ground conductivity, but we don't get ANY of
the best propagation.
73,
Bob W5OV
NTX - EM12
Phil, QRZ tells me that you live in Richardson TX, north of Dallas. You
have some of the best ground conductivity in the nation! Don't try this in
most other places.
I
Lot's of good information, but we've hit the posting max number limit
for this thread. Let's let it rest for now.
73, Eric
List moderator
On 3/23/2011 10:17 AM, Phil Debbie Salas wrote:
Phil, QRZ tells me that you live in Richardson TX, north of Dallas. You
have some of the best ground
by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
__ Information from ESET NOD32 Antivirus, version of virus signature
database 5978 (20110323) __
The message was checked by ESET NOD32 Antivirus.
http://www.eset.com
Thank you, Bill, interesting. As the problem has also been reported by
John G4ZTR I wonder whether it could be due to our 50Hz mains supply.
73 de David G4DMP
In a recent message, Bill k9...@live.com writes
David,
I tried this and found no similar issue.
Bill
K9YEQ
-Original
Wayne,
Thank you for resolving an old issue that arose when I first
explained my dual-polarity diversity receiver for eme. Critical for
this is that the two K3 receivers are freq. locked (have zero
offset). I am modifying my two LP-Pan to run off a single xtal
oscillator so they will be
David,
My P3 is on the side of my K3 with the handle. I also have the K144XV.
I'm not able to duplicate what you describe.
Tom
N5GE
On Wed, 23 Mar 2011 17:09:07 +, David Pratt da...@g4dmp.fsnet.co.uk wrote:
While operating on SSB on 144.225 MHz using the internal K144VX
transverter I am
It's audible here only if I put my fingers on the P3 screen and find the
most sensitive spot, but it's never strong. It's completely inaudible
without touching the P3's screen.
Disconnected the 2-meter antenna and touched a short wire to the ANT3
connector and it got very loud, suggesting that
Yup, wherever Phil was, Phil got away with it. Phil is the exception that
proves the rule.
Nobody near where I lived in lower New York state would get away with it
(rocks for ground). I didn't get away with it in the Virginia suburbs of
DC. And that was good growing dirt, too -- best garden plot
On 3/23/2011 7:12 AM, Johnny Siu wrote:
When I use K3 for PACTOR III, I need
to low the power to say 30W.
The K3 is rated for 100W in keydown modes for several minutes. In RTTY
contests where the rules require 100W max, I run it at 100W and the
temperature stays well within safe limits.
73,
On 3/23/2011 10:09 AM, David Pratt wrote:
Removing the 2 metre antenna also removes the noise.
How far is your 2M antenna from your P3?
A suggestion. Try adding several clamp-on ferrite cores to the power
cable and the BNC, placing them as close to the P3 as practical. These
should be a
David,
I should not think the mains 50 cycle should matter. It would seem to be
more of a radiation issue. That is what makes me ask about the cabinet
prep. I have mine sitting on the right side of K3.
Bill
K9YEQ
-Original Message-
From: David Pratt [mailto:da...@g4dmp.fsnet.co.uk]
On 3/23/2011 10:54 AM, Ron D'Eau Claire wrote:
If it's not being picked up by the antenna there must be some other path
into the K144XV perhaps through an open ground between units, etc.
A Pin One Problem on either end of the BNC or power cables (that is, at
the P3 or K3) could couple around
On 3/23/2011 11:47 AM, Bill wrote:
I should not think the mains 50 cycle should matter. It would seem to be
more of a radiation issue. That is what makes me ask about the cabinet
prep.
Yes. And your comment about the importance of scraping the paint is
right on too. If there's paint between
://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net
This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
__ Information from ESET NOD32 Antivirus, version of virus signature
database 5978 (20110323) __
The message
Thank you for adding the needed emphasis. I really took pains to be sure
lots of metal to metal.
Bill
K9YEQ
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Jim Brown
Sent: Wednesday, March 23, 2011 1:52 PM
To:
On 3/23/2011 11:56 AM, John Lemay wrote:
It seems to me that the noise is being radiated by the screen itself, and no
amount of cabinet scraping will reduce this.
That's entirely possible -- but it's also possible that the cables are
involved. Many RFI problems have more than one cause, or
On Tue, Mar 22, 2011 at 11:32 PM, Mike Fatchett W0MU w...@w0mu.com wrote:
I found the Pelican at Amazon.com for $134.22 and the lid organizer for
$19.99.
How does the K3 actually fit in this? I mean do you use the foam
dividers or do you box it up first?
Its just hard to get a good picture
Phil Debbie Salas wrote:
If you CAN'T do radials right, DON'T do grounded verticals. As simple
as that.
I disagree. Licensed in 1964 at 15, I operated with a 4BTV through
high school and college with just a ground rod. I didn't know any
better, but had lots of fun - even with a Knightkit
The foam is cut into small squares that you remove so the radio would
fit in the middle of the foam. I believe there are 3 or 4 layers of
foam so the foam will encase the radio and whatever accessories you
choose to include, like a ps or mic or key etc.
On 3/23/2011 1:25 PM, Alexander Sack
http://w8fgu.home.comcast.net/~w8fgu/k3pelican.html
The case shown is a bigger Pelican case but I think you can get a better
picture from this site.
On 3/23/2011 1:54 PM, Mike Fatchett W0MU wrote:
The foam is cut into small squares that you remove so the radio would
fit in the middle of the
Hello all,
Jim is right the ferrite cores will fix the problem,
Been there done that about two months ago .
Ferrite on all input and outputs.
73 all K5DNL
---
--- On Wed, 3/23/11, Jim Brown j...@audiosystemsgroup.com wrote:
From: Jim Brown
signature
database 5978 (20110323) __
The message was checked by ESET NOD32 Antivirus.
http://www.eset.com
__ Information from ESET NOD32 Antivirus, version of virus signature
database 5978 (20110323) __
The message was checked by ESET NOD32 Antivirus.
http://www.eset.com
On 3/23/2011 1:18 PM, John Lemay wrote:
I think at this stage I should also make it clear that I have a highly
sensitive 2m system with masthead preamplifier, and four eight element yagis
which are at present quite close to ground level.
Does the strength of the noise vary as you rotate the
://www.qsl.net/donate.html
__ Information from ESET NOD32 Antivirus, version of virus signature
database 5978 (20110323) __
The message was checked by ESET NOD32 Antivirus.
http://www.eset.com
__ Information from ESET NOD32 Antivirus, version of virus signature
database
This thread was closed about 2 hrs ago.
73, Eric
List moderator
On 3/23/2011 12:29 PM, Ian White GM3SEK wrote:
Phil Debbie Salas wrote:
If you CAN'T do radials right, DON'T do grounded verticals. As simple
as that.
I disagree. Licensed in 1964 at 15, I operated with a 4BTV through
high
John, my findings are the same as yours. I only have a single 4 element
beam, mounted about 25 feet above the shack on the apex of the roof. The
noise reduces significantly when the beam is pointing away from the shack. I
hear the noise when the P3 is on and fully connected to the K3 and PC but
Haha, I was afraid of something like that. MD has pretty average conductivity,
4
umho/meter, compared to the 30 that is found in northeast Texas. When I was a
kid I lived
on Long Island, a sandbar where the value is 0.5. I had a disastrous experiment
with a
vertical and poor ground system
*** Thank you to everyone for their kind help. ***
I am pleased to report that putting a ferrite 'clamp-on' core at each
end of the 12V power lead has completely cured the problem. Because the
cable is quite thin, I managed to wind two turns round each core.
I wonder whether a screened power
. |
| Website: http://www.g4dmp.co.uk |
+ - - - - - - - - - - - - - - - - +
__ Information from ESET NOD32 Antivirus, version of virus signature
database 5978 (20110323) __
The message was checked by ESET NOD32 Antivirus.
http://www.eset.com
__ Information from ESET
Hm . . . what about SCOTCHTINT, or somesuch other rf shielding window
film, over the display, between the clear bezel and the chassis?
Brgds,
Dave, N3HE
--
View this message in context:
http://elecraft.365791.n2.nabble.com/K3-Noise-from-P3-tp6201047p6202021.html
Sent from the Elecraft
I'd like to know the latest on when it will be available. Hope it's
shipping before the May/June 6m DX season. If we have openings like last
summer maybe my last 29 are possible.
K9IL
__
Elecraft mailing list
Home:
I heard that units should start shipping in May.
On 3/23/2011 4:00 PM, r miles wrote:
I'd like to know the latest on when it will be available. Hope it's
shipping before the May/June 6m DX season. If we have openings like last
summer maybe my last 29 are possible.
K9IL
~
N2CQ QRP CONTEST CALENDAR
March 26 to Apr 23, 2011
~
CQ World-Wide WPX Contest (SSB) ... QRP Category
Mar 26, z to Mar 27, 2359z
Rules: http://www.cqwpx.com/index.htm
I'm hoping to have one by late May's WPX contest...
John Harper
http://www.ae5x.com/blog
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post:
I've used an Astron RS-35M power supply for about 25 years, that's what I used
when I got my K3-100 #3449. A few weeks ago, the K3 began to shut down in
transmit25 watts seemed to be the magic number...below 25 watts, OK; above
25, dial lights flicker (no error message or High Current
Same thing happened here with that power supply and K3/100.
Couldn't keep the K3 from tripping starting at about 50 watts.
Now using the Astron SS-30 with no problems.
73,
Tony W7GO
On 3/23/2011 5:40 PM, Hunsdon Cary III wrote:
I've used an Astron RS-35M power supply for about 25 years, that's
H,
Have you done the TX Gain Calibration lately? If not, that may be a
first step. Beyond that, I can only guess, and given the information
that I have, that guess may be wrong.
73,
Don W3FPR
On 3/23/2011 8:40 PM, Hunsdon Cary III wrote:
I've used an Astron RS-35M power supply for about
Howdy, H.
Have you checked what your PSU is doing when you try to tx at more than 25W?
Cycle round the options available by poking the DISP METER button and find
the one that monitors your voltage input (it will be about 0.3v below your PSU
voltage because of a protection diode). Watch what
Have you checked what your PSU is doing when you try to tx at more
than 25W?
Check the Astron supply carefully. The RS-35 is a linear supply and
it is susceptible to failure of one/more of the pass transistors over
time, failure of one/more of the rectifier diodes, aging of the current
My K3 was built at the factory so I'm not totally familiar with some of it. I
have two questions about the filters. I have an FM filter that can be used to
receive AM. Can it be used to transmit AM? I'm thinking no. I also have the
general coverage filter. Does it take up one of the five
Hello All,
Just finished K1 2950 and what a big pleasure it was to build.
My Elecraft career started with a KX1 which I love. A K2 was built
while my wife was away and a K3 followed as did a P3 and many
accessories.
I suppose I wanted to complete my set of Elecraft radios but building
this
*You never know your luck eh?...:-)*
*
*
*They are superb I can tell you that much!*
*
*
*73's*
*Gary
*
On 24 March 2011 10:12, John Harper j...@ae5x.com wrote:
I'm hoping to have one by late May's WPX contest...
John Harper
http://www.ae5x.com/blog
A YCCC club-mate who has gone everywhere with ham equipment uses a
hard-shell golf bag case. He can fit everything in it including antennae.
He doesn't carry-on - he checks it, but it's the whole shebang.
I'm sure you have worked him: HC8X, HC1/K1XM, HC8/K1XM, PJ2X, PJ2/K1XM,
KC6MX, VS6/K1XM,
That's some itinerary. You didn't mention VP2E/K1XM.
Tony KT0NY
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net
This list
On 3/23/2011 1:30 PM, John Lemay wrote:
Yes, I can home in on the noise with great certainty !
That indicates that the noise is being radiated by the P3 or something
attached to it, and picked up on your antenna (and not picked up on K3
wiring).
The comments by others that ferrites on the
I believe that both answers are no Bryce.
The General Coverage option is a filter, but it's an antenna input band pass
filter, not a crystal I.F. filter (a.k.a. roofing filter) that needs one of
the slots.
Ron AC7AC
-Original Message-
My K3 was built at the factory so I'm not
70 views and no replies, that just doesn't look right.
Niko - AC6DD
--
View this message in context:
http://elecraft.365791.n2.nabble.com/KPA500-tp6178898p6202738.html
Sent from the Elecraft mailing list archive at Nabble.com.
Hi,
Hope this list is for questions like this, apologies if not. Never
used an Elecraft, thinking about getting a K2, and was wondering what
people thought about it, especially at this time, 11 years later.
Looks like it came out in 2000? I like the reviews and I don't think
I'm advanced enough
???
It helps if you include enough of the message so we can tell what you are
talking about.
Ron AC7AC
-Original Message-
70 views and no replies, that just doesn't look right.
Niko - AC6DD
--
Shane,
Yes, this list is especially for questions of that nature.
The Elecraft K2 is a great transceiver. Yes, it is an 11 year old
design, but the receiver performance is still near the top of the
Sherwood list. Will it be replaced? - never. It m\ay be superseded,
but it will not be
On 3/23/2011 10:41 PM, Don Wilhelm wrote:
If you are looking at a K2 fully fitted out with all options, then the
price may approach the basic K3, and the K3 becomes the better dollar
value, but if you are looking for a transceiver without all the bells
and whistles, a K2 may be your answer.
*I think he means release date.*
*
*
*Wayne and Eric have previously stated on this list that late April was
likely.*
*
*
*FT is going well and as far as I see there will be only one minor change to
the KPIO board and a lettering change on the face plate. At least that is
the only changes I have
I've been playing with a 43' vertical for a year or so now.
My best setup so far has been raising the base up 24' off the ground.
I purchased a telescoping flag-pole to get it up there.
I have 24 1/8w radialsthe location where it is cant handle longer.
I run 40' of RG213 from the vertical to a
Hi Shane,
I bought a K2 for myself this past Christmas and am building it now (I
just finished my session for the evening, in fact). I have used K3's
at other stations and they are wonderful; I have no doubt that at some
point I will own one. Like you, I had the concern about longevity of
the
None of those locations look to be great golf destinations HI! Imaging
the surprise of the enterprising airport person takes it and finds a
bunch of ham gear instead of spendy golf clubs!
An idea definitely worth looking into.
On 3/23/2011 8:26 PM, Rex Lint wrote:
A YCCC club-mate who has
On Wed, 2011-03-23 at 19:35 -0700, Jim Brown wrote:
On 3/23/2011 1:30 PM, John Lemay wrote:
Yes, I can home in on the noise with great certainty !
That indicates that the noise is being radiated by the P3 or something
attached to it, and picked up on your antenna (and not picked up on K3
In a recent message, Alan Bloom n...@sonic.net writes
The shells of the coax and the RS-232 connectors are grounded directly
to the chassis. Sounds like it must be the power cable.
That being so, Alan, is there any value in supplying screened cable for
the power lead rather than the twin 'bell
On Thu, 2011-03-24 at 04:39 +, David Pratt wrote:
In a recent message, Alan Bloom n...@sonic.net writes
The shells of the coax and the RS-232 connectors are grounded directly
to the chassis. Sounds like it must be the power cable.
That being so, Alan, is there any value in supplying
My K2 is still my favorite and most used radio. Just before this email
I was building the K60XV option so I can add the XV50 tranverter I just
ordered.
It's a QRP machine. I'm mostly CW, but its fun to get on SSB and astonish
the QRO ops with 10 watts. Most don't know until you tell them.
82 matches
Mail list logo
